From: Andreas Hirstius <Andreas.Hirstius@cern.ch>
To: linux-ia64@vger.kernel.org
Subject: Re: [Gelato-technical] Serious performance degradation on a RAID
Date: Wed, 06 Apr 2005 07:34:41 +0000 [thread overview]
Message-ID: <42539111.20707@cern.ch> (raw)
In-Reply-To: <16978.62532.841151.100745@napali.hpl.hp.com>
David Mosberger wrote:
>>>>>>On Wed, 06 Apr 2005 09:29:59 +0200, Andreas Hirstius <Andreas.Hirstius@cern.ch> said:
>>>>>>
>>>>>>
>
> Andreas> Because of this strange correlation between block size and
> Andreas> page size and the fact, that I don't see a problem on x86 I
> Andreas> suspected an ia64-specific problem. My "favourite"
> Andreas> candidate is the conversion to 4 level pagetables between
> Andreas> 2.6.10-bk6 and 2.6.10-bk7.
>
>That's certainly a possibility. But didn't you say the problem also
>occurred when using 4KB page size on ia64?
>
>
>
Yes, the problem appears at any page size...
Andreas
> --david
>
>
>
next prev parent reply other threads:[~2005-04-06 7:34 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-05 20:25 [Gelato-technical] Serious performance degradation on a RAID with David Mosberger
2005-04-05 20:43 ` [Gelato-technical] Serious performance degradation on a RAID Rob Fowler
2005-04-06 2:13 ` [Gelato-technical] Serious performance degradation on a RAID with kernel 2.6.11 Duraid Madina
2005-04-06 4:45 ` [Gelato-technical] Serious performance degradation on a RAID with David Mosberger
2005-04-06 4:53 ` [Gelato-technical] Serious performance degradation on a RAID with kernel 2.6.11 Duraid Madina
2005-04-06 5:10 ` David Mosberger
2005-04-06 5:56 ` [Gelato-technical] Serious performance degradation on a RAID withkernel 2.6.11 Chen, Kenneth W
2005-04-06 7:29 ` [Gelato-technical] Serious performance degradation on a RAID Andreas Hirstius
2005-04-06 7:30 ` Andreas Hirstius
2005-04-06 7:32 ` David Mosberger
2005-04-06 7:34 ` Andreas Hirstius [this message]
2005-04-06 8:33 ` Andreas Hirstius
2005-04-06 16:58 ` David Mosberger
2005-04-06 18:57 ` Andreas Hirstius
2005-04-06 21:50 ` [Gelato-technical] Serious performance degradation on a RAID withkernel 2.6.11 Chen, Kenneth W
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